4258238 has 4 divisors (see below), whose sum is σ = 6387360. Its totient is φ = 2129118.

The previous prime is 4258237. The next prime is 4258249. The reversal of 4258238 is 8328524.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 2⁸ + 5 + 8³ + 2²² + 3¹⁰ + 8⁴ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4258237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064558 + ... + 1064561.

It is an arithmetic number, because the mean of its divisors is an integer number (1596840).

Almost surely, 2^4258238 is an apocalyptic number.

4258238 is a deficient number, since it is larger than the sum of its proper divisors (2129122).

4258238 is a wasteful number, since it uses less digits than its factorization.

4258238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129121.

The product of its digits is 15360, while the sum is 32.

The square root of 4258238 is about 2063.5498540137. The cubic root of 4258238 is about 162.0851810326.

The spelling of 4258238 in words is "four million, two hundred fifty-eight thousand, two hundred thirty-eight".